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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.239 ·

MCP tool telemetry marks servers the CLI owns

MCP telemetry now flags servers Claude Code owns itself versus ones you configured.

Under the hood Internal Changes
JSON All of v2.1.239
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
MCPArea: what it touches
Internal ChangesKind: in v2.1.239,
Internal ChangesSection of the release
What

Two MCP tool-registration telemetry payloads now include a cliOwned flag next to the existing server name and icon fields, separating servers Claude Code itself owns from ones you configured. It is emitted conditionally, on a predicate not traced in this build.

Evidence

cliOwned

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.239 →

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